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Refactoring jitter buffer

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Features are:
 * Packet based buffer
 * Random in, first out
 * Adaptive delay compensation (voice)
 * Fixed delay (data, optionally MODEM/FAX)
 * Interpolation of missing frames
 * Any sample size
This commit is contained in:
Andreas Eversberg
2022-07-31 07:55:14 +02:00
parent 4fc92eba45
commit 2b7efedc48
42 changed files with 544 additions and 206 deletions
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4
src/libmobile/call.c
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@@ -387,7 +387,7 @@ static void process_timeout(struct timer *timer)
}
}
void down_audio(struct osmo_cc_session_codec *codec, uint16_t __attribute__((unused)) sequence_number, uint32_t __attribute__((unused)) timestamp, uint8_t *data, int len)
void down_audio(struct osmo_cc_session_codec *codec, uint16_t sequence_number, uint32_t timestamp, uint32_t ssrc, uint8_t *data, int len)
{
process_t *process = codec->media->session->priv;
sample_t samples[len / 2];
@@ -400,7 +400,7 @@ void down_audio(struct osmo_cc_session_codec *codec, uint16_t __attribute__((unu
double lev = level_of(samples, len / 2);
printf("festnetz-level: %s %.4f\n", debug_db(lev), (20 * log10(lev)));
#endif
call_down_audio(process->callref, samples, len / 2);
call_down_audio(process->callref, sequence_number, timestamp, ssrc, samples, len / 2);
}
static void indicate_setup(process_t *process, const char *callerid, const char *dialing, uint8_t network_type, const char *network_id)